# systemUI [史上最详细的Android系统SystemUI 启动过程详细解析](https://www.jianshu.com/p/2e0f403e5299) [【Android系統源碼修改】如何分析SystemUI Layout 的組成](https://www.twblogs.net/a/5d3d2b6bbd9eee517421c50c) 下拉notification panel路徑位置: ```packages / SystemUI / res / layout / status_bar_expanded.xml``` C:\Users\user\AppData\Local\Android\Sdk\build-tools\30.0.3\aapt.exe aapt p -f -I [ANDROID_SDK_PATH]/android.jar \ -S [OVERLAY_PATH]/res \ -M [OVERLAY_PATH]/AndroidManifest.xml \ -c [PRODUCT_AAPT_CONFIG] \ -F [MODULE_NAME]-overlay.apk C:\Users\user\AppData\Local\Android\Sdk\build-tools\30.0.3\aapt.exe p -f -S C:\Users\user\Downloads\testOverlay\app\src\main\res -M C:\Users\user\Downloads\testOverlay\app\src\main\AndroidManifest.xml -F D:\dev\testoverlay.apk C:\Users\user\AppData\Local\Android\Sdk\build-tools\30.0.3\aapt.exe p -f -S
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